From 4d46f4bbf26481034dc863e0fab294779d909bd8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20P=C3=B6chtrager?= <t.poechtrager@gmail.com>
Date: Fri, 10 Apr 2020 19:46:06 +0200
Subject: [PATCH] Build scripts & osxcross-macports: Tweak tarball download
 code

---
 build_binutils.sh       |  4 +--
 build_clang.sh          |  5 ++--
 build_gcc.sh            |  6 ++---
 tools/osxcross-macports | 59 +++++++++++++++++++++++++++++++----------
 tools/tools.sh          | 40 ++++++++++++++++++----------
 5 files changed, 76 insertions(+), 38 deletions(-)

diff --git a/build_binutils.sh b/build_binutils.sh
index 2907096..648940f 100755
--- a/build_binutils.sh
+++ b/build_binutils.sh
@@ -28,8 +28,6 @@ fi
 # mirror
 MIRROR="https://ftp.gnu.org/gnu"
 
-require wget
-
 pushd $BUILD_DIR &>/dev/null
 
 function remove_locks()
@@ -41,7 +39,7 @@ function build_and_install()
 {
   if [ ! -f "have_$1_$2_${TARGET}" ]; then
     pushd $TARBALL_DIR &>/dev/null
-    wget -c "$MIRROR/$1/$1-$2.tar.gz"
+    download "$MIRROR/$1/$1-$2.tar.gz"
     popd &>/dev/null
 
     echo "cleaning up ..."
diff --git a/build_clang.sh b/build_clang.sh
index 86a78c2..5790fec 100755
--- a/build_clang.sh
+++ b/build_clang.sh
@@ -28,7 +28,6 @@ if [ -z "$INSTALLPREFIX" ]; then
   INSTALLPREFIX="/usr/local"
 fi
 
-require wget
 require cmake
 
 function warn_if_installed()
@@ -71,8 +70,8 @@ LLVM_PKG+="llvm-${CLANG_VERSION}.src.${PKGCOMPRESSOR}"
 CLANG_PKG="$MIRROR/${CLANG_VERSION}/"
 CLANG_PKG+="cfe-${CLANG_VERSION}.src.${PKGCOMPRESSOR}"
 
-wget -c $LLVM_PKG
-wget -c $CLANG_PKG
+download $LLVM_PKG
+download $CLANG_PKG
 
 popd &>/dev/null
 
diff --git a/build_gcc.sh b/build_gcc.sh
index 70619c6..b7a3a88 100755
--- a/build_gcc.sh
+++ b/build_gcc.sh
@@ -30,8 +30,6 @@ fi
 # GCC mirror
 GCC_MIRROR="https://mirror.koddos.net/gcc"
 
-require wget
-
 pushd $BUILD_DIR &>/dev/null
 
 function remove_locks()
@@ -45,9 +43,9 @@ if [ ! -f "have_gcc_${GCC_VERSION}_${TARGET}" ]; then
 
 pushd $TARBALL_DIR &>/dev/null
 if [[ $GCC_VERSION != *-* ]]; then
-  wget -c "$GCC_MIRROR/releases/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.xz"
+  download "$GCC_MIRROR/releases/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.xz"
 else
-  wget -c "$GCC_MIRROR/snapshots/$GCC_VERSION/gcc-$GCC_VERSION.tar.xz"
+  download "$GCC_MIRROR/snapshots/$GCC_VERSION/gcc-$GCC_VERSION.tar.xz"
 fi
 popd &>/dev/null
 
diff --git a/tools/osxcross-macports b/tools/osxcross-macports
index 174d835..3b00685 100755
--- a/tools/osxcross-macports
+++ b/tools/osxcross-macports
@@ -21,11 +21,6 @@ PUBKEYSHA1="214baa965af76ff71187e6c1ac91c559547f48ab"
 PLATFORM=$(uname -s)
 ARCH="x86_64"
 
-if [ $PLATFORM == "FreeBSD" ]; then
-  WGETOPTS="--ca-certificate="
-  WGETOPTS+="/usr/local/share/certs/ca-root-nss.crt"
-fi
-
 if [ -z "$BASHPID" ]; then
   BASHPID=$(sh -c 'echo $PPID')
 fi
@@ -72,7 +67,6 @@ unsupportedDepTarget()
   exit 1
 }
 
-require "wget"
 require "openssl"
 
 case $MACOSX_DEPLOYMENT_TARGET in
@@ -182,26 +176,63 @@ selectMirror()
   MIRROR=$(cat $SELECTEDMIRROR)
 }
 
+function download()
+{
+  local uri=$1
+  local filename
+
+  if [ $# -eq 2 ]; then
+    filename=$2
+  else
+    filename=$(basename $1)
+  fi
+
+  if which curl &>/dev/null; then
+    ## cURL ##
+    local curl_opts="-L -C - "
+    if [ -z "$VERBOSE" ]; then
+      curl_opts+="-s "
+    fi
+    if [ $filename != "-" ]; then
+      curl_opts+="-o $filename "
+    fi
+    curl $curl_opts $uri
+  elif which wget &>/dev/null; then
+    ## wget ##
+    local wget_opts="-c -O $filename "
+    local output=$(wget --no-config 2>&1)
+    if [[ $output != *--no-config* ]]; then
+      wget_opts+="--no-config "
+    fi
+    if [ $PLATFORM == "FreeBSD" ]; then
+      wget_opts="--ca-certificate="
+      wget_opts+="/usr/local/share/certs/ca-root-nss.crt "
+    fi
+    if [ -z "$VERBOSE" ]; then
+      wget_opts+="--quiet "
+    fi
+    wget $wget_opts $uri
+  else
+    echo "Required dependency 'curl or wget' not installed" 1>&2
+    exit 1
+  fi
+}
+
 getFileStdout()
 {
   verbosePlaceHolder
-  local xargs=""
-  [ -z "$VERBOSE" ] && xargs+="--quiet"
-  wget $WGETOPTS "$1" -O- $xargs
+  download $1 -
   #verbosePlaceHolder
 }
 
 getFile()
 {
   verbosePlaceHolder
-  local xargs=""
   if [ $# -ge 2 ]; then
-    xargs+="-O $2 "
+    download $1 $2
   else
-    xargs+="-P $CACHE "
+    download $1 "$CACHE/$(basename $1)"
   fi
-  [ -z "$VERBOSE" ] && xargs+="--quiet"
-  wget $WGETOPTS -c "$1" $xargs
   #verbosePlaceHolder
 }
 
diff --git a/tools/tools.sh b/tools/tools.sh
index d72b7c7..71562dc 100644
--- a/tools/tools.sh
+++ b/tools/tools.sh
@@ -53,20 +53,10 @@ fi
 
 function require()
 {
-  set +e
-  which $1 &>/dev/null
-  while [ $? -ne 0 ]
-  do
-    if [ -z "$UNATTENDED" ]; then
-      echo ""
-      read -p "Please install '$1' then press enter"
-    else
-      echo "Required dependency '$1' is not installed" 1>&2
-      exit 1
-    fi
-    which $1 &>/dev/null
-  done
-  set -e
+  if ! which $1 &>/dev/null; then
+    echo "Required dependency '$1' is not installed" 1>&2
+    exit 1
+  fi
 }
 
 if [[ $PLATFORM == *BSD ]] || [ $PLATFORM == "DragonFly" ]; then
@@ -399,6 +389,28 @@ function get_sources()
   fi
 }
 
+function download()
+{
+  local uri=$1
+  local filename=$(basename $1)
+
+  if which curl &>/dev/null; then
+    ## cURL ##
+    local curl_opts="-L -C - "
+    curl $curl_opts -o $filename $uri
+  elif which wget &>/dev/null; then
+    ## wget ##
+    local wget_opts="-c "
+    local output=$(wget --no-config 2>&1)
+    if [[ $output != *--no-config* ]]; then
+      wget_opts+="--no-config "
+    fi
+    wget $wget_opts -O $filename $uri
+  else
+    echo "Required dependency 'curl or wget' not installed" 1>&2
+    exit 1
+  fi
+}
 
 function create_symlink()
 {